(pəˈtɜːbətɪv) or perturbatory (ˌpɜːtəˈbeɪtərɪ, pəˈtɜːbətərɪ)
adjective
other words for perturbing
perturb in British English
(pəˈtɜːb)
verb(tr; often passive)
1.
to disturb the composure of; trouble
2.
to throw into disorder
3. physics, astronomy
to cause (a planet, electron, etc) to undergo a perturbation
Derived forms
perturbable (perˈturbable)
adjective
perturbably (perˈturbably)
adverb
perturbing (perˈturbing)
adjective
perturbingly (perˈturbingly)
adverb
Word origin
C14: from Old French pertourber, from Latin perturbāre to confuse, from per- (intensive) + turbāre to agitate, from turba confusion
Examples of 'perturbative' in a sentence
perturbative
In this work, we precisely formulate our proposal and perform several perturbative checks.
T. Bargheer, J. Caetano, T. Fleury, S. Komatsu, P. Vieira 2018, 'Handling handles. Part II. Stratification and data analysis', Journal of High Energy Physicshttp://link.springer.com/article/10.1007/JHEP11(2018)095. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The amplitude and probability of transition are computed using perturbative methods.
Mihaela-Andreea Băloi, Cosmin Crucean, Diana Popescu 2018, 'Scalar pair production in a magnetic field in de Sitter universe', European Physical Journal C: Particles and Fieldshttp://link.springer.com/article/10.1140/epjc/s10052-018-5890-1. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We suggest a perturbative method to solve the supergravity equations.
Nakwoo Kim 2019, 'Solving mass-deformed holography perturbatively', Journal of High Energy Physicshttp://link.springer.com/article/10.1007/JHEP04(2019)053. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We define β-functions for open-string tachyons away from the perturbative fixed point.
Igor Klebanov, Leonard Susskind 1988, 'Renormalization group and string amplitudes', Physics Letters Bhttp://www.sciencedirect.com/science/article/pii/0370269388901505. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We find a sizable perturbative correction and discuss its origins and implications.
Jonas Bergner, Markus Schulze 2019, 'The top quark charge asymmetry in $$t{\\bar{t}}\\gamma $$ tt¯γ production at the LHC',European Physical Journal C: Particles and Fieldshttp://link.springer.com/article/10.1140/epjc/s10052-019-6707-6. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We also provide arguments on the validity of our perturbative analysis, whenever applicable.
Anshuman Dey, Pratim Roy, Tapobrata Sarkar 2018, 'On holographic Rényi entropy in some modified theories of gravity', Journal of High Energy Physicshttp://link.springer.com/article/10.1007/JHEP04(2018)098. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The comparison shows a qualitatively good agreement between perturbative and lattice correlators.
Anna-Lena Kruse, H.-T. Ding, O. Kaczmarek, H. Ohno, H. Sandmeyer 2019, 'Insight into Thermal Modifications of Quarkonia From a Comparison of Continuum-ExtrapolatedLattice Results to Perturbative QCD', Proceedingshttps://www.mdpi.com/2504-3900/10/1/45. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Our results represent the most advanced perturbative prediction available to date for this process.
M. Grazzini, G. Heinrich, S. Jones, S. Kallweit, M. Kerner, J. M. Lindert, J. Mazzitelli 2018, 'Higgs boson pair production at NNLO with top quark mass effects', Journal of High Energy Physicshttp://link.springer.com/article/10.1007/JHEP05(2018)059. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Perturbative applications of the a-theorem are used to help classify potential fixed points.
Hugh Osborn, Andreas Stergiou 2018, 'Seeking fixed points in multiple coupling scalar theories in the ε expansion', Journal of High Energy Physicshttp://link.springer.com/article/10.1007/JHEP05(2018)051. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)